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Full-Text Articles in Medicine and Health Sciences

Educational Outcomes Of The Dat: A Document Review And Thematic Analysis, S H. Orr, L E. Eberman, M J. Rivera Jan 2024

Educational Outcomes Of The Dat: A Document Review And Thematic Analysis, S H. Orr, L E. Eberman, M J. Rivera

Clinical Practice in Athletic Training

Context: The transition in athletic training education allows for unique and new opportunities in postprofessional education. The Doctor of Athletic Training (DAT) degree is one of the postprofessional education pathways that could provide athletic trainers advancement in clinical practice, practice leadership, and scholarship. However, there is no data on the educational outcomes of DAT programs and what graduates should expect from their experiences. The aim of this study was to explore whether DAT programs are delivering curricula consistent with the development of clinical scholars with advanced knowledge and skills that are needed for high-level patient care and literature relative to …


Athletic Trainers’ Familiarity With Potential Concussion Biomarkers: A Descriptive Study, T R. Campbell, B J. Davis, J C. Martinez, J M. Cavallario Jan 2024

Athletic Trainers’ Familiarity With Potential Concussion Biomarkers: A Descriptive Study, T R. Campbell, B J. Davis, J C. Martinez, J M. Cavallario

Clinical Practice in Athletic Training

Introduction: An estimated 3.8 million individuals sustain a concussion annually in the United States. Despite the high number of cases, this number may not accurately depict the true incidence rate due to underreporting of symptoms by patients. With current concussion tools relying heavily on subjective input from patients, it is imperative that a valid and reliable objective tool, such as a clinical biomarker, is identified to improve concussion diagnosis and management. If such a biomarker is identified, it will be essential that athletic trainers (ATs) be familiar with how biomarkers could be used. The purpose of this study was to …


Athletic Training Preceptors’ Experience With Interprofessional Education And Collaborative Practice In The Clinical Learning Environment, A Bender Jan 2024

Athletic Training Preceptors’ Experience With Interprofessional Education And Collaborative Practice In The Clinical Learning Environment, A Bender

Clinical Practice in Athletic Training

Introduction: Professional athletic training (AT) programs are now required to align their educational curricula with the Institute of Medicine's (IOM) core competencies, preparing students to work in dynamic, interprofessional healthcare teams to strategically address patient outcomes. Although interprofessional education and collaborative practice (IPECP) is commonly implemented in didactic settings, our understanding of how IPECP is implemented by AT preceptors in various clinical settings is limited. The purpose of this study was to gain a greater understanding of AT preceptors’ experience with IPECP and how they implement this with students in their clinical settings. Methods: A convergent mixed-methods design was used …


Using Alums Involvement To Increase Student Investment In An Athletic Training Program, C J. Heffner, A L. Green Jan 2024

Using Alums Involvement To Increase Student Investment In An Athletic Training Program, C J. Heffner, A L. Green

Clinical Practice in Athletic Training

Introduction: Student investment and retention are not new concerns among athletic training program directors. Graduate programs are expected to meet minimum enrollment standards to demonstrate the need for the program. Programs that are unable to maintain student enrollment will be eliminated by institutions experiencing financial stress. Retention strategies and benefits have previously been investigated among undergraduate students and across disciplines. One common theme in the research is that student retention increases when students feel a sense of belonging from the faculty, staff, and peers in their program. There is less research on the retention of graduate students, but the themes …


Using Data In The Classroom To Drive Instructional Design And Delivery, L E. Eberman, J P. Young Jan 2024

Using Data In The Classroom To Drive Instructional Design And Delivery, L E. Eberman, J P. Young

Clinical Practice in Athletic Training

Introduction: Roughly half of ATP program directors include education on transgender health care in their programs, and even fewer report having the competence to do so. However, professional-level accreditation standards (56, 57, and DEI 2) require that programs have faculty with contemporary expertise to educate students on these outcomes. Current research suggests a comprehensive transgender and sexual health curriculum, including safe-zone training, traditional lecture, lab, and project-based instruction, was partially effective at changing students’ attitudes toward transgender patients but did not improve sexual health care delivery during a standardized patient encounter. The purpose of this project was to evaluate the …


Traveling The Pathway To A Culturally Competent Health Care Provider: Incorporating Study Abroad Into Your Curriculum, A L. Johnston Green, C J. Heffner Jan 2024

Traveling The Pathway To A Culturally Competent Health Care Provider: Incorporating Study Abroad Into Your Curriculum, A L. Johnston Green, C J. Heffner

Clinical Practice in Athletic Training

Introduction: As athletic training employment settings expand and diversify, so does the patient population with whom these healthcare providers interact. This growth furthers the need to ensure that students enrolled in an athletic training program (ATP) accredited by the Commission on Accreditation of Athletic Training Education (CAATE) are educated to provide culturally competent care. Culturally competent care is provided when decisions made diminish the inequalities that may be present in a system based upon a patient’s individual circumstances. Implementing cultural competency education may be integrated into athletic training education in various manners as necessitated by each institution’s unique circumstances. Programs …


Exploring The Work-Related Quality Of Life Of Athletic Trainers In Physician Practice, N T. Anderson, K E. Games, J P. Young, M J. Rivera, L E. Eberman Jan 2024

Exploring The Work-Related Quality Of Life Of Athletic Trainers In Physician Practice, N T. Anderson, K E. Games, J P. Young, M J. Rivera, L E. Eberman

Clinical Practice in Athletic Training

Introduction/Context: The National Athletic Trainers’ Association (NATA) identified the vitality of the athletic training profession as a research priority, which includes exploring solutions to improve work-life balance. There is a common perception that athletic trainers (AT) working in the physician practice setting have lower work-life conflict and increased job satisfaction, but no data to support this belief. Work-Related Quality of Life (WRQoL) has been studied in some healthcare settings but has not been studied in any athletic training clinical practice setting. Therefore, the purpose of this study is to investigate the WRQoL of athletic trainers in physician practice. Methods: A …


How Do Athletic Trainers Impact Patient Health Literacy?: A Critically Appraised Topic, T Bouchard Jan 2024

How Do Athletic Trainers Impact Patient Health Literacy?: A Critically Appraised Topic, T Bouchard

Clinical Practice in Athletic Training

Introduction/Context: Health Literacy is defined as “the degree to which individuals have the capacity to obtain, process, and understand basic health information and services needed to make appropriate health decisions.” An estimated 80 million Americans are estimated to have low levels of health literacy. Low health literacy has been linked to poor patient outcomes and decreased usage of health services. Athletic trainers are multiskilled medical professionals recognized by the American Medical Association, trained in, among other things, wellness promotion and education, injury prevention and rehabilitation, and primary care. Although athletic trainers have traditionally been employed in collegiate/elite sports, many are …


Aborted Confidentiality, Stacey A. Tovino Jan 2024

Aborted Confidentiality, Stacey A. Tovino

Faculty Articles

As the number of abortion-restricting laws continues to grow in the wake of the Supreme Court’s ruling in Dobbs v. Jackson Women’s Health Organization, law enforcement officers are increasingly interested in obtaining and using reproductive health information for law enforcement purposes. Although physicians and other covered entities generally are required to keep protected health information (PHI) confidential under the Health Insurance Portability and Accountability Act Privacy Rule, a number of regulatory exceptions historically have permitted covered entities to disclose PHI for civil, criminal, and administrative investigations and proceedings. On April 26, 2024, the Department of Health and Human Services …


Statistics Used In The Nebraska Beef Reports And Their Purpose, University Of Nebraska-Lincoln Jan 2024

Statistics Used In The Nebraska Beef Reports And Their Purpose, University Of Nebraska-Lincoln

Nebraska Beef Cattle Reports

The purpose of beef cattle and beef product research at UNL is to provide reference information that represents the various populations (cows, calves, heifers, feeders, carcasses, retail products, etc) of beef production. Obviously, the researcher cannot apply treatments to every member of a population; therefore he/she must sample the population. The use of statistics allows the researcher and readers of the Nebraska Beef report the opportunity to evaluate separation of random (chance) occurrences and real biological effects of a treatment. Following is a brief description of the major statistics used in the beef report. For a more detailed description of …


Evaluation Of Vivalto® On Growth Performance And Carcass Characteristics In Growing And Finishing Beef Steers, Garrett N. Lemon, Rebecca Mcdermott, Galen E. Erickson, Jeff Heldt, Pablo L. Loza Jan 2024

Evaluation Of Vivalto® On Growth Performance And Carcass Characteristics In Growing And Finishing Beef Steers, Garrett N. Lemon, Rebecca Mcdermott, Galen E. Erickson, Jeff Heldt, Pablo L. Loza

Nebraska Beef Cattle Reports

A finishing trial conducted at the Pan-handle Research, Extension, and Education Center (PREEC) near Scottsbluff, NE evaluated the effect of Vivalto®, a B-vitamin complex, on the feeding performance and carcass characteristics of feedlot steers. The design of the study was completely randomized block design with three treatments, control without Vivalto®, 1g Vivalto®/steer/day, and 2g Vivalto®/steer/day. Cattle fed the diets that included Vivalto® feed had lower intakes during the first 56 days than cattle that received no Vivalto® in the diet. No significant differences were observed for ADG, intake, feed efficiency …


Effect Of Biochar On Enteric Methane Production And Cattle Performance, Hanna Cronk, Holly Heil, Rebecca Mcdermott, Mitch Norman, Galen E. Erickson, Andrea Watson Jan 2024

Effect Of Biochar On Enteric Methane Production And Cattle Performance, Hanna Cronk, Holly Heil, Rebecca Mcdermott, Mitch Norman, Galen E. Erickson, Andrea Watson

Nebraska Beef Cattle Reports

Methane is a more potent greenhouse gas than carbon dioxide. Because ruminant animals, including cattle, emit methane, strategies are actively being sought to reduce these emissions. Pistachio shell-sourced biochar was included at 0.5% of a finishing cattle diet to determine effects on methane emissions and cattle performance. Eight pens of cattle were rotated through a 2-chambered emissions barn to analyze methane and carbon dioxide produced by the cattle. Biochar tended to increase methane emissions on a g/d basis with no effect on methane emissions as g/lb of feed intake and no differences in carbon dioxide emissions. There were no differences …


Impact Of Strip-Grazing Stockpiled Annual/Cover Crop Forages On Carrying Capacity And Animal Performance, Shelby L. Davies-Jenkins, Abigail Sartin, Devin Jakub, Zac Carlson, Erin Laborie, Jack Arterburn, Ben Beckman, Brad Schnick, M. E. Drewnoski Jan 2024

Impact Of Strip-Grazing Stockpiled Annual/Cover Crop Forages On Carrying Capacity And Animal Performance, Shelby L. Davies-Jenkins, Abigail Sartin, Devin Jakub, Zac Carlson, Erin Laborie, Jack Arterburn, Ben Beckman, Brad Schnick, M. E. Drewnoski

Nebraska Beef Cattle Reports

Annual forages/cover crops can be used to fill the fall/winter grazing gap, and strip grazing may increase carrying capacity by reducing trampling losses of the forage. The current experiment utilized a series of on-farm experiments across two growing seasons to compare continuous and strip grazing of various summer planted cover crops. Strip grazing increased carrying capacity by an average of 47 ± 15% and gain per acre by 44 ± 5% compared to continuous grazing although significant variability in the amount of increase was observed. This variability can likely be attributed to forage type (quality), frequency of moves, and forage …


Strategies For Ddgs Supplementation Frequency To Frazing Yearling Streers, Sydney T. Vanderhoff, Rebecca L. Sjostrand, Mitchell M. Norman, Isaque F. Vicci, Jim C. Macdonald, Mary E. Drewnoski Jan 2024

Strategies For Ddgs Supplementation Frequency To Frazing Yearling Streers, Sydney T. Vanderhoff, Rebecca L. Sjostrand, Mitchell M. Norman, Isaque F. Vicci, Jim C. Macdonald, Mary E. Drewnoski

Nebraska Beef Cattle Reports

Infrequent supplementation saves labor and may reduce animal performance, but recent research with reduced fat distillers grains has provided inconsistent results. This experiment evaluated the effects of daily and three times a week supplementation of dried distillers grains on yearling steer performance grazing smooth bromegrass pastures from May to August. Daily supplemented steers received 5.6 pounds of dry matter per steer of dried distillers grains with solubles 7 days/week. The three times a week supplemented steers received 13.0 pounds of dry matter per steer of dried distillers grains with solubles three days/week (Monday, Wednesday, Friday). A control treatment received no …


Effect Of Methionine Supplementation During Late Gestation In Beef Females, Landon F. Tadich, Jim R. Teichert, Kathryn J. Hanford, Jacki A. Musgrave, Rich N. Funston Jan 2024

Effect Of Methionine Supplementation During Late Gestation In Beef Females, Landon F. Tadich, Jim R. Teichert, Kathryn J. Hanford, Jacki A. Musgrave, Rich N. Funston

Nebraska Beef Cattle Reports

Some amino acids are known to be essential to cattle and effect protein availability to the animal, especially during gestation when nutrient requirements are higher. Methionine is found to be one of the most limiting in low quality forage diets. Two 3-yr studies were performed to evaluate the impact of methionine supplementation during late gestation on intake, body weight, average daily gain, and subsequent calf performance in primiparous and multiparous females. In exp 1, 120 artificially inseminated pregnancy heifers were placed in a Calan gate feeding system (n=40/yr) and assigned 1 of 3 treatments during late gestation and fed ad …


Artificial Insemination Of Beef Heifers With Multi-Sire Semen, Dempster Christenson, Jordan Thomas, Daniel J. Kelly, John G. Maddux, R. Funston Jan 2024

Artificial Insemination Of Beef Heifers With Multi-Sire Semen, Dempster Christenson, Jordan Thomas, Daniel J. Kelly, John G. Maddux, R. Funston

Nebraska Beef Cattle Reports

The study compared pregnancy rates of beef heifers artificially inseminated with multi-sire semen to single-sire semen at ranch 1 and demonstrated pregnancy to multi-sire sexed semen at rand 2. It was hypothesized pregnancy rates resulting from multi-sire semen would be increased compared to single-sire semen. Ranch 1 heifers were inseminated with either single-sire or multi-sire semen and all heifers expressing estrus at ranch 2 were inseminated with multi-sire semen averaged numerically greater pregnancy rate than the average single-sire pregnancy rate and pregnancy outcomes from multi-sire sexed semen exceed previous literature but cannot be directly compared. Despite similar pregnancy results between …


Long-Term Performance Of Steers Grazing Smooth Bromegrass Pastures, Morgan Hodges, Holly Heil, Rebecca Mcdermott, Anastasios Mazis, Tala Awada, Galen E. Erickson, Andrea K. Watson Jan 2024

Long-Term Performance Of Steers Grazing Smooth Bromegrass Pastures, Morgan Hodges, Holly Heil, Rebecca Mcdermott, Anastasios Mazis, Tala Awada, Galen E. Erickson, Andrea K. Watson

Nebraska Beef Cattle Reports

Summary with Implications

Body weight gain of yearling steers grazing smooth bromegrass pastures was measured across 17 years from 2005 to 2021. Three treatments were applied, (1) control pastures with no additional inputs, (2) pastures fertilized with 80 lb of N per acre, and (3) pastures grazed with cattle supplemented daily with approximately 5 lb of dry distillers grains. The cnntrol treatment pastures (1.4 acres/steer) were stocked 30% lighter than the fertilized and supplemented pastures (1.0 acre/steer). Across the 17 years, the supplemented cattle gained 2.24 lb/day while the non-supplemented cattle (both control and fertilized treatments) gained 1.57 lb/day. Body …


02.19.2024 Orsp Connect, Liz Williamson Jan 2024

02.19.2024 Orsp Connect, Liz Williamson

ORED Newsletter

UM Library Training for Researchers, Kendra Sampey spotlight, School of Pharmacy's Research Day, MS Aerospace and Defense Symposium on March 29


Distal Urogenital Anatomy And Epithelial Morphology In The Male Cajun Chorus Frog, Pseudacris Fouquettei (Anura: Hylidae), S.E. Trauth Jan 2024

Distal Urogenital Anatomy And Epithelial Morphology In The Male Cajun Chorus Frog, Pseudacris Fouquettei (Anura: Hylidae), S.E. Trauth

Journal of the Arkansas Academy of Science

I examined the microanatomy of the distal urogenital system in male Cajun Chorus Frogs (Pseudacris fouquettei) from a small sample (n = 6) collected in central Arkansas in March 2018 and February 2023. Specifically, my primary objectives were to investigate the following: (1) the paired Wolffian (urogenital) ducts caudally from the kidneys to their merging with the urodeum of the cloaca, (2) the structure of seminal vesicles (if present), and (3) the epithelial morphologies among the distal urogenital tract, the posterior alimentary canal, and cloaca. My histological analysis confirmed the presence of ampullae (sperm storage structures) as mid-duct expansions of …


Use Of Google Earth Streetview To Evaluate Nesting By The Cliff Swallow (Petrochelidon Pyrrhonota) In Lowlands Of Eastern Arkansas, With Reports Of New Records, R. Tumlison, Z. Autrey Jan 2024

Use Of Google Earth Streetview To Evaluate Nesting By The Cliff Swallow (Petrochelidon Pyrrhonota) In Lowlands Of Eastern Arkansas, With Reports Of New Records, R. Tumlison, Z. Autrey

Journal of the Arkansas Academy of Science

Cliff Swallows (Petrochelidon pyrrhonota) typically construct their mud nests under the overhangs of cliffs. However, construction of concrete bridges and overpasses has provided suitable nesting structure in the last few decades. As the number of such nesting sites have increased, the breeding range also has expanded. We evaluated the use of Google Earth Streetview as a means of cheaply harvesting data regarding nesting distribution. The gourd-shaped nests of Cliff Swallows were easily discernible via available imagery, and we were able to document previously unreported nest sites of this species in 6 counties in eastern Arkansas (5 from imagery, 1 from …


Shell Damage Patterns In Limpkin Mussel Middens At Bois D’Arc Lake, Arkansas, G.R. Graves Jan 2024

Shell Damage Patterns In Limpkin Mussel Middens At Bois D’Arc Lake, Arkansas, G.R. Graves

Journal of the Arkansas Academy of Science

The Limpkin (Aramus guarauna) is rapidly colonizing the lower Mississippi Valley from recently established Gulf Coast populations. Anecdotal reports indicate that it feeds on freshwater mussels and gastropods in Arkansas, but without documentation. Here I report an analysis of Limpkin shell middens from Bois d’Arc Lake in Hempstead Co. Limpkins at this location preyed heavily on Pyganodon grandis (Giant Floater), a large mussel species widely distributed in the Mississippi Valley. Limpkins employ vigorous bill blows to pierce holes in mussels and usually attack the anterior end of the shell. Video and photographs of feeding birds provide new insight on the …


X-Ray Diffraction And Petrographic Analysis Of Magnet Cove Carbonatite Core, Arkansas, R.E. Mero, D. Mayo, M.P. Testa Jan 2024

X-Ray Diffraction And Petrographic Analysis Of Magnet Cove Carbonatite Core, Arkansas, R.E. Mero, D. Mayo, M.P. Testa

Journal of the Arkansas Academy of Science

Geothermal activity such as hot springs are known to precipitate calcium carbonate (CaCO3) minerals, producing rocks such as tufa, travertine and sometimes associated with carbonatite. The precipitation of CaCO is caused by the reduction of CO, which is less soluble in warmer waters. Geothermal heating of water in natural springs drives this precipitation of CaCO3 in areas of Arkansas including Magnet Cove. Magnet Cove, Arkansas is an alkalic igneous rock complex that is composed of a series of ring dikes post-Mississippian in age. These dikes have intruded into faulted and folded Paleozoic sedimentary rocks. One of these igneous dikes is …


N(Alpha)-Acetyltransferase 40-Mediated Histone Acetylation Plays An Important Role In Ecdysone Regulation Of Metamorphosis In The Red Flour Beetle, Tribolium Castaneum, Sharath Chandra Gaddelapati, Smitha George, Anilkumar Moola, Karthi Sengodan, Subba Reddy Palli Jan 2024

N(Alpha)-Acetyltransferase 40-Mediated Histone Acetylation Plays An Important Role In Ecdysone Regulation Of Metamorphosis In The Red Flour Beetle, Tribolium Castaneum, Sharath Chandra Gaddelapati, Smitha George, Anilkumar Moola, Karthi Sengodan, Subba Reddy Palli

Entomology Faculty Publications

Histone acetylation, a crucial epigenetic modification, is governed by histone acetyltransferases (HATs), that regulate many biological processes. Functions of HATs in insects are not well understood. We identified 27 HATs and determined their functions using RNA interference (RNAi) in the model insect, Tribolium castaneum. Among HATs studied, N-alpha-acetyltransferase 40 (NAA40) knockdown caused a severe phenotype of arrested larval development. The steroid hormone, ecdysone induced NAA40 expression through its receptor, EcR (ecdysone receptor). Interestingly, ecdysone-induced NAA40 regulates EcR expression. NAA40 acetylates histone H4 protein, associated with the promoters of ecdysone response genes: EcR, E74, E75, and HR3, and causes an increase …


Factors Associated With The Prevalence Of Iron Deficiency And Anemia In Women Of Reproductive Age In The U.S.: Nhanes 2015-2020, Catherine Wise Jan 2024

Factors Associated With The Prevalence Of Iron Deficiency And Anemia In Women Of Reproductive Age In The U.S.: Nhanes 2015-2020, Catherine Wise

All Master's Theses

Iron deficiency (ID) is well recognized as the most prevalent nutrient insufficiency and a leading cause of anemia. Women of reproductive age (WRA), females 15 to 49, are at an increased risk of ID and anemia. This is due to the heightened iron demands of this life stage, including puberty, menstruation, and pregnancy, which require iron intakes ranging from 15 to 27 mg/day. Poor health and nutrition increase the risk of ID and progression to anemia. Consequences of ID and anemia range from exhaustion and decreased cognitive function to an increased risk of mortality. This study aimed to assess the …


Prenatal Androgen Exposure Reduces Ovarian Function, Marlee Weets Jan 2024

Prenatal Androgen Exposure Reduces Ovarian Function, Marlee Weets

All Master's Theses

Polycystic ovary syndrome (PCOS) is the most common reproductive and endocrine disorder, being the leading cause of infertility for females of reproductive age. The etiology of PCOS is not fully known, although it is hypothesized that there is a genetic, epigenetic, and environmental component to the disease. One of the environmental influences that can cause an abnormal reproductive phenotype similar to PCOS is prenatal exposure to excess androgens (male sex hormones). Previous studies have shown that prenatal exposure to androgens in mice can cause a PCOS-like ovarian phenotype similar to people with PCOS. To examine how prenatal androgen exposure causes …


New Record Of Leucistic Blue Catfish, Ictalurus Furcatus (Siluriformes: Ictaluridae) From The Black River, Lawrence County, Arkansas, C.T. Mcallister, H.W. Robison Jan 2024

New Record Of Leucistic Blue Catfish, Ictalurus Furcatus (Siluriformes: Ictaluridae) From The Black River, Lawrence County, Arkansas, C.T. Mcallister, H.W. Robison

Journal of the Arkansas Academy of Science

The Blue Catfish, Ictalurus furcatus (Lesueur), the largest North American ictalurid, inhabits deep watersheds, impoundments, and main channels and backwaters of medium to large rivers, over mud, sand, and gravelly substrate. Its native range includes the Mississippi River basin from western Pennsylvania to southern South Dakota and southwestern Nebraska south to the Gulf of Mexico and in Alabama, Florida, The Rio Grande drainage of Texas and New Mexico (Page and Burr 2011). In Arkansas, I. furcatus is found throughout the Arkansas, Red, and Mississippi river drainages and has been stocked by the Arkansas Game and Fish Commission into reservoirs throughout …


Mimicking An Asymmetrically Walking Visual Cue Alters Gait Symmetry In Healthy Adults, Krista G. Clark, Louisa D. Raisbeck, Scott E. Ross, Christopher K. Rhea Jan 2024

Mimicking An Asymmetrically Walking Visual Cue Alters Gait Symmetry In Healthy Adults, Krista G. Clark, Louisa D. Raisbeck, Scott E. Ross, Christopher K. Rhea

Rehabilitation Sciences Faculty Publications

Gait asymmetries are a common problem in clinical populations, such as those with a history of stroke or Parkinson’s disease. The use of a split-belt treadmill is one way to enhance gait symmetry but relies on specialty (and typically expensive) equipment. Alternatively, visual cues have been shown as a method to alter gait mechanics, but their utility in altering gait symmetry has been relatively understudied. Before deploying this method to clinical populations, a proof-of-concept study is needed to explore using visual cues to alter gait symmetry in healthy adults. Therefore, the purpose of this study was to examine the extent …


A Guide To Otoliths Of Minnesota Fishes, Baylor J. Short Jan 2024

A Guide To Otoliths Of Minnesota Fishes, Baylor J. Short

Journal of Earth and Life Science

Investigations into the diet patterns of piscivores can provide crucial information on predator-prey relationships, population dynamics, and responses to changing ecosystems. However, digestive processes often remove or alter physical characteristics that are traditionally used to identify consumed fish. This problem has been addressed to some degree with advances in molecular technologies, although these methods can be costly and require specific training and equipment to do so. In contrast, bony structures such as otoliths, vertebrae, cleithra, and others frequently have morphologies that are unique among families, genera, and species. Because these structures are resistant to digestion, they can be used to …


Treatment With The Immunocontraceptive Vaccine, Gonacon, Induces Temporary Fertility Control In Free-Ranging Prairie Dog Populations In Colorado, Usa, Aaron B. Shiels, Jackson Runte, Emily W. Ruell, Douglas C. Eckery, Gary W. Witmer, Daniel J. Salkeld Jan 2024

Treatment With The Immunocontraceptive Vaccine, Gonacon, Induces Temporary Fertility Control In Free-Ranging Prairie Dog Populations In Colorado, Usa, Aaron B. Shiels, Jackson Runte, Emily W. Ruell, Douglas C. Eckery, Gary W. Witmer, Daniel J. Salkeld

United States Department of Agriculture Wildlife Services: Staff Publications

Context

Prairie dogs (Cynomys spp.) are rodents enjoyed by some humans; yet, they cause crop and property damage, and carry zoonotic disease. Non-lethal control of prairie dogs is of interest in urban/suburban settings. The injectable immunocontraceptive vaccine GonaCon (active ingredient is gonadotropin-releasing hormone [GnRH]) has been shown to be effective at reducing fertility in equine and deer, and is a US EPA-registered vaccine for use in these ungulate species.

Aims

To conduct a replicated field study to test efficacy of GonaCon in black-tailed prairie dogs (C. ludovicianus), and if found to be efficacious, to help facilitate …


Comparison Of Ketamine-Xylazine, Butorphanol-Azaperone-Medetomidine, And Nalbuphine-Medetomidine-Azaperone For Raccoon (Procyon Lotor) Immobilization, Shylo R. Johnson, Christine K. Ellis, Chad Wickham, Molly R. Selleck, Amy T. Gilbert Jan 2024

Comparison Of Ketamine-Xylazine, Butorphanol-Azaperone-Medetomidine, And Nalbuphine-Medetomidine-Azaperone For Raccoon (Procyon Lotor) Immobilization, Shylo R. Johnson, Christine K. Ellis, Chad Wickham, Molly R. Selleck, Amy T. Gilbert

United States Department of Agriculture Wildlife Services: Staff Publications

Raccoons (Procyon lotor) are frequently handled using chemical immobilization in North America for management and research. In a controlled environment, we compared three drug combinations: ketamine-xylazine (KX), butorphanol-azaperone-medetomidine (BAM), and nalbuphinemedetomidine- azaperone (NalMed-A) for raccoon immobilization. In crossover comparisons, raccoons received a mean of the following: 8.66 mg/kg ketamine and 1.74 mg/kg xylazine (0.104 mL/kg KX); 0.464 mg/kg butorphanol, 0.155 mg/kg azaperone, and 0.185 mg/kg medetomidine (0.017 mL/kg BAM); and 0.800 mg/kg nalbuphine, 0.200 mg/kg azaperone, and 0.200 mg/kg medetomidine (0.020 mL/kg NalMed-A). Induction time was shortest with KX (mean6SE, 10.060.7 min) and longest with NalMed-A (13.061.3 min). …